These are the printed parts for Sid, a printer jointly designed by Blokko (http://www.blokko.com/) and Simplifi3D for educational purposes. No screws are required to put the structural components togetherBuild instructions are posted on http://reprap.org/wiki/Sid 1cm3.gcode is a 1cm cube sliced in Cura at 100% fill for testing the flow rate settings. Use either version of Sidextruder. The later version allows for small printing variations 10 Sep 2014: added tubeadaptors.gcode for checking retraction (and also replacement) 15 Sep 2014: Change in hotend_fan.stl (hotend_head_v6T5) 16 Sep 2014: Change in bedlevel_knobs.stl (v2T1) 20 Sep 2014: Change in yguides (wheel_v10T1) 6 Oct 2014: Added sidextruder_v10T5 7 Oct 2014: Change in cornerjoints.stl (v10T1) 3 May 2015: We have 6 sets of non-printed parts available for sale at USD500. Contact us if you would like one. 25 Jul 2015: Sid v3 (work in progress) posted at http://www.thingiverse.com/thing:940885